diff --git a/Src/ScalFmmConfig.h.cmake b/Src/ScalFmmConfig.h.cmake
index 7a444009deea2218a6b9ea09966156c1d64ccd19..a3f05d534cb06b0c26555c0f6500be4c6080a97e 100644
--- a/Src/ScalFmmConfig.h.cmake
+++ b/Src/ScalFmmConfig.h.cmake
@@ -1,5 +1,9 @@
 // See LICENCE file at project root
+///
+/// File generated by cmake
 
+// Do not remove any line
+///////////////////////////////////////////////////////
 #ifndef SSCALFMMCONFIG_H
 #define SSCALFMMCONFIG_H
 ///////////////////////////////////////////////////////
diff --git a/Src/Utils/FAvx.hpp b/Src/Utils/FAvx.hpp
index b9a78d158d4197b6dd988d18974e8f2c7d857c85..717ad2f8fadca99425aa419122a21bb98ff199ac 100644
--- a/Src/Utils/FAvx.hpp
+++ b/Src/Utils/FAvx.hpp
@@ -5,9 +5,10 @@
 #include "FGlobal.hpp"
 #ifndef SCALFMM_USE_AVX
 #error The AVX header is included while SCALFMM_USE_AVX is turned OFF
-#endif
+#else 
+
 
-#include "immintrin.h"
+#include <immintrin.h>
 
 #ifdef __AVXPE_INTEL_COMPILER
 
@@ -80,5 +81,5 @@ inline __m256 operator/(const __m256& v1, const __m256& v2){
 }
 
 #endif
-
+#endif
 #endif
diff --git a/Src/Utils/FAvx2.hpp b/Src/Utils/FAvx2.hpp
index 0760400d649b74262360993f8f717dc0d70d00a0..08226a205de9a9e9aae6e2c5725e7457c4aebb12 100644
--- a/Src/Utils/FAvx2.hpp
+++ b/Src/Utils/FAvx2.hpp
@@ -7,7 +7,7 @@
 #error The AVX header is included while SCALFMM_USE_AVX is turned OFF
 #endif
 
-#include "immintrin.h"
+#include <immintrin.h>
 
 #ifdef __MIC__